Brother FD3-B256 User manual

FD4−B256, B257 1/19

2000.7

FD3-B256

B257

Cylinder Bed Bottom Covering Stitcher

with Thread trimmer

Cylinder Bed Top and Bottom Covering

Stitcher with Thread Trimmer

Specifications

FD3 - B25 6 -033-3 / / /

A B C D

DDevice

Device No. Applicable

model Solenoidthread

trimmer Solenoid

wiper Solenoidtopcovering

threadtrimmer Solenoidpresser

footlifter Pneumatic

presserfootlifter Pneumatic

presserfootlifter

UT11 B256,B257 ¡− − − − −

UT12 B256 ¡ ¡ − − − −

UT13 B256,B257 ¡− − ¡− −

UT14 B256 ¡ ¡ −¡− −

UT32 B257 ¡−¡−−−

UT34 B257 ¡−¡ ¡ − −

UT21 B256,B257 − − − − ¡−

UT22 B256 −¡− − ¡−

UT23 B256,B257 − − − − ¡ ¡

UT24 B256 −¡− − ¡ ¡

UT42 B257 − − ¡−¡−

UT44 B257 − − ¡−¡ ¡

CS1

B256,B257

Condensestitchdevice

Model

Bottom coveringstitcher

Topandbottomcoveringstitcher

BSpecifications

011 Plainstitching

012*

Plainstitching(Highstroke)

033 Covering

051 Hemstitching(Theguideonthefrontcover)

053 Hemstitching(The guideonthe needleplate)

056 Circularhemming(With puller)/Binderopener, Tensionroller

061 Elastichemming(Withpuller)

0V1 Spunknitelasticloop attaching(Withpuller)/Binder opener,Tensionroller

0W1

Wideelastic loop attaching (With puller) / Tensionroller, Right knife

0X1 Hemstitching /With leftknife

0X3*

Hemstitching/Withbinderopenerandleftknife

0X6 Circularhemming(Withpuller) /Binderopener,Tension roller,Leftknife

*012 and 0X3 specifications are available in limited area only.

No.ofneedles/Needlegauge

2 needles 3.2 mm

2 needles 4.0 mm

2 needles 4.8 mm

2 needles 5.6 mm

2 needles 6.4 mm

3 needles 4.8 mm

3 needles 5.6 mm

3 needles 6.4 mm

FD4−B256, B257 2/19

2000.7

Specifications

2-Needle 3-Needle

Stitchpattern Stitchpattern

Sub-

class Application

Gauge No. B256 B257 Gauge No. B256 B257

-011 Plainstitching

-1

-2

-3

-4

-5

-6

-7

-8

-012*2 Plainstitching(Highstroke) − − − − −

-033 Covering -3

-4

-5

-6

-7

-8

-051

-053 Hem stitching

-051: Guide front cover attaching type

-053: Guide needle plate attaching type

-2

-3 -7

-8

-056 Circular hemming w/puller

Binder opener, Tension roller -2

-3 -7

-8

-061 Elastic hemming w/puller -1

-2

-3 − − −

-0V1*1 Spun knit elastic loop attaching w/puller

Binder opener, Tension roller − − − -7

-8 −

-0W1 Wide elastic loop attaching w/puller

Tension roller, Right knife − − − -7

-8

-0X1 Hem stitching w/left knife -2

-3 -7

-8

-0X3*2 Hem stitching w/left knife − − − -8 −

-0X6 Circular hemming w/puller

Binder opener, Tension roller

Left knife

-2

-3 -7

-8

*1 The sub-class –0V1 is only for B257.

*1–012and –0X3 specifications are available in limited area only.

FD4−B256, B257 3/19

2000.7

Heightof

presserfoot

(mm)

Needlesize Stitch length

(mm) Needle bar

stroke (mm) Differentialfeed

ratio(mm)

B256 B257

Max.speed

(rpm)

UYX128

#70

(#65-#90) 1.0-4.2 31.0 0.6-1.4 7.0 5.0 6,000

UYX128

#70

(#65-#90) 1.0-4.2 33.4 0.6-1.4 −6.0 5,000

UYX128

#70

(#65-#90) 1.0-4.2 31.0 0.6-1.4 7.0 5.0 6,000

UYX128

#70

(#65-#90) 1.0-4.2 31.0 0.6-1.4 7.0 5.0 6,000

UYX128

#70

(#65-#90) 1.0-4.2 33.4 0.6-1.4 7.0 6.0 4,500

UYX128

#70

(#65-#90) 1.0-4.2 33.4 0.6-1.4 7.0 6.0 4,500

UYX128

#70

(#65-#90) 1.0-4.2 33.4 0.6-1.4 −6.0 4,500

UYX128

#70

(#65-#90) 1.0-4.2 33.4 0.6-1.4 7.0 6.0 4,500

UYX128

#70

(#65-#90) 1.0-4.2 31.0 0.6-1.4 7.0 5.0 5,000

UYX128

#70

(#65-#90) 1.0-4.2 31.0 0.6-1.4 −5.0 5,000

UYX128

#70

(#65-#90) 1.0-4.2 33.4 0.6-1.4 7.0 6.0 4,500

Gauge No.

GaugeNo. No.ofneedles No.of threads Gauge(mm)

-1 23or4 3.2

-2 23or4 4.0

-3 23or4 4.8

-4 23or4 5.6

-5 23or4 6.4

-6 34or5 4.8

-7 34or5 5.6

-8 34or5 6.4

FD4−B256, B257 4/19

2000.7

Optional device

Thread wiper set

Solenoid type Partname Partcode Q’ty

Threadwiper set, A 183821-201 1

Air type Partname Partcode Q’ty

Threadwiperset S28896-001 1

Presser foot lifter set

Solenoid type Partname Partcode Q’ty

Solenoidpresserfootlifter set (A) 183795-401 1

* With the knee switch

Solenoid type Partname Partcode Q’ty

Solenoidpresserfootlifter set (B) 183796-401 1

* Without the knee switch

Air type Partname Partcode Q’ty

Pneumaticpresserfootlifterset S28904-001 1

* Without the knee switch

Solenoid upper thread trimmer set

Partname Partcode Q’ty

Upperthread trimmer set S28915-001 1

*With the face plate exclusively for this set.

FD4−B256, B257 5/19

2000.7

Thread trimmer set

Solenoid type

Partname Partcode Q’ty

Solenoidthreadtrimmerset S28906-001 1

Air type

Partname Partcode Q’ty

Pneumaticthread trimmer set S28908-001 1

FD4−B256, B257 6/19

2000.7

Air tube joint

Ref.No.

Partname Part code

Q’ty

2-1 Elbowunion S04896-000 1

2-2 T–union S28469-000 1

2-3 Triplejoint(3) S28470-000 1

2-4 Triplejoint(4) S28471-000 1

2-5 Triplejoint(5) S28472-000 1

* Use this when using more than one air-driven device together.

Knee lifter device

Ref.No. Partname Part code Q’ty

63 Kneelifter deviceassy 155196-409 1

64 Screw4.1 ×25 032422-505 4

65 Chainassy S28357-001 1

* When used on the machine with the right knife specification (-071, -075), this enables you to stop and restart the operation of

the cloth knife at any place during sewing.

FD4−B256, B257 7/19

2000.7

Special parts to use when using spun thread or cotton thread

Ref.No.

Partname Part code

Q’ty

1Guidebase S28941-001 1

2Washer 105161-004 1

3Screw,pan SM3.57-40 ×6 062670-612 1

4Threadguide(M)holder S28942-001 1

5Screw,pan SM3.18-40 ×5 062660-512 2

6Threadguide(M) S28943-001 3

7Setscrew,socket(CP)SM3.18

146427-001

8Needleguard,BH S28483-101 1

----- Instructionmanual

S91251-262

* If there is a big difference among right, center, and left needle thread loop size, this thread guide (separate type) is effective in

preventing stitch skipping.

* This needle guard, BH is effective in preventing stitch skipping caused by unwanted left needle backward movement.

* For attaching the parts listed above, refer to the instruction manual also listed above.

FD4−B256, B257 8/19

2000.7

Rubber binder assy (For –0V1)

* The 35-mm threehold rubber binder is provided as a standard.

Threehold seam

30mm 35mm

Standard 40mm

S28601-001 S28609-001 S28614-001

Fellting

30mm 35mm 40mm

S28619-001 S28622-001 S28625-001

FD4−B256, B257 9/19

2000.7

Conversion parts for installing the table

* For table dimensions and installation, refer to theinstruction manual supplied with the machine.

Raised type →Semi-submerged type

Ref.No.

Partname Part code

Q’ty

27 Headplateassy S28830-001 2

28 Bolt, M8×55

211964-001

29 Nut,1 M8 021080-106 4

30 Washer,spring2-8 028080-242 4

31 Washer,plain M8 025080-236 4

Semi-submerged type →Raised type

Ref.No. Partname Part code Q’ty

37 Rubbercushionpin S28441-001 4

38 Retainingring,U5 S28442-001 4

39 Washer,plain M6 025060-236 4

40 Washer,spring2-6 028060-242 4

41 Nut,1M6 021060-106 4

53 Subbeltcover S28444-001 1

54 Screw, oval M5.5 ×20 100666-002 3

55 Washer,plainS5.56 025750-132 3

FD4−B256, B257 10/19

2000.7

Gauge parts list

Model B256

B257 B256

B257

Specifications 011-1 011-2 011-3 011-4 011-5 011-6

Label S08678-001 S08678-002 S08678-003 S08678-004 S08678-005 S08678-006

B256 B257

Application

Plainstitching

No.ofneedles 222223

Needlegauge(mm)

3.2 4.0 4.8 5.6 6.4 4.8

S28770-001 S28772-001 S28774-001 S28776-001 S28778-001 S28780-001

Needleclampassy

S21832-001 S21834-001 S21836-001 S21838-001 S21840-001 S21842-001

Presserfootassy

(B256)

S08779-201 S08786-201 S08788-201 S08790-201 S08792-201 S08794-201

Presserfootassy

(B257)

S08717-001 S08718-001 S08719-001 S08720-001 S08721-001 S08722-001

Needleplate

S28237-001

Mainfeed dog

S28242-001

Differentialfeeddog

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